## Xalan-C++ API Documentation

### The Xalan C++ XSLT Processor Version 1.7

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# XalanSourceTreeContentHandler.hpp

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    00001 /*
    00002  * The Apache Software License, Version 1.1
    00003  *
    00004  * Copyright (c) 1999-2004 The Apache Software Foundation.  All rights
    00005  * reserved.
    00006  *
    00007  * Redistribution and use in source and binary forms, with or without
    00008  * modification, are permitted provided that the following conditions
    00009  * are met:
    00010  *
    00011  * 1. Redistributions of source code must retain the above copyright
    00012  *    notice, this list of conditions and the following disclaimer.
    00013  *
    00014  * 2. Redistributions in binary form must reproduce the above copyright
    00015  *    notice, this list of conditions and the following disclaimer in
    00016  *    the documentation and/or other materials provided with the
    00017  *    distribution.
    00018  *
    00019  * 3. The end-user documentation included with the redistribution,
    00020  *    if any, must include the following acknowledgment:
    00021  *       "This product includes software developed by the
    00022  *        Apache Software Foundation (http://www.apache.org/)."
    00023  *    Alternately, this acknowledgment may appear in the software itself,
    00024  *    if and wherever such third-party acknowledgments normally appear.
    00025  *
    00026  * 4. The names "Xerces" and "Apache Software Foundation" must
    00027  *    not be used to endorse or promote products derived from this
    00028  *    software without prior written permission. For written
    00029  *    permission, please contact apache\@apache.org.
    00030  *
    00031  * 5. Products derived from this software may not be called "Apache",
    00032  *    nor may "Apache" appear in their name, without prior written
    00033  *    permission of the Apache Software Foundation.
    00034  *
    00035  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
    00036  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    00037  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    00038  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
    00039  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    00040  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    00041  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
    00042  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    00043  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    00044  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    00045  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    00046  * SUCH DAMAGE.
    00047  * ====================================================================
    00048  *
    00049  * This software consists of voluntary contributions made by many
    00050  * individuals on behalf of the Apache Software Foundation, and was
    00051  * originally based on software copyright (c) 1999, International
    00052  * Business Machines, Inc., http://www.ibm.com .  For more information
    00053  * on the Apache Software Foundation, please see
    00054  * <http://www.apache.org/>.
    00055  */
    00056
    00057 #if !defined(XALANSOURCETREECONTENTHANDLER_HEADER_GUARD_1357924680)
    00058 #define XALANSOURCETREECONTENTHANDLER_HEADER_GUARD_1357924680
    00059
    00060
    00061
    00062 #include <xalanc/XalanSourceTree/XalanSourceTreeDefinitions.hpp>
    00063
    00064
    00065
    00066 #include <vector>
    00067
    00068
    00069
    00070 #include <xercesc/sax/DocumentHandler.hpp>
    00071 #include <xercesc/sax/DTDHandler.hpp>
    00072 #include <xercesc/sax2/ContentHandler.hpp>
    00073 #include <xercesc/sax2/LexicalHandler.hpp>
    00074
    00075
    00076
    00077 #include <xalanc/XalanDOM/XalanDOMString.hpp>
    00078
    00079
    00080
    00081 XALAN_DECLARE_XERCES_CLASS(Attributes)
    00082 XALAN_DECLARE_XERCES_CLASS(AttributeList)
    00083 XALAN_DECLARE_XERCES_CLASS(ContentHandler)
    00084 XALAN_DECLARE_XERCES_CLASS(DTDHandler)
    00085 XALAN_DECLARE_XERCES_CLASS(LexicalHandler)
    00086 XALAN_DECLARE_XERCES_CLASS(Locator)
    00087
    00088
    00089
    00090 XALAN_CPP_NAMESPACE_BEGIN
    00091
    00092
    00093
    00094 typedef XERCES_CPP_NAMESPACE_QUALIFIER Attributes       AttributesType;
    00095 typedef XERCES_CPP_NAMESPACE_QUALIFIER AttributeList    AttributeListType;
    00096 typedef XERCES_CPP_NAMESPACE_QUALIFIER ContentHandler   ContentHandlerType;
    00097 typedef XERCES_CPP_NAMESPACE_QUALIFIER DTDHandler       DTDHandlerType;
    00098 typedef XERCES_CPP_NAMESPACE_QUALIFIER LexicalHandler   LexicalHandlerType;
    00099 typedef XERCES_CPP_NAMESPACE_QUALIFIER Locator          LocatorType;
    00100
    00101
    00102
    00103 class XalanNode;
    00104 class XalanSourceTreeDocument;
    00105 class XalanSourceTreeElement;
    00106
    00107
    00108
    00109 class XALAN_XALANSOURCETREE_EXPORT XalanSourceTreeContentHandler :
    00110     public ContentHandlerType,
    00111     public DTDHandlerType,
    00112     public LexicalHandlerType
    00113 {
    00114 public:
    00115
    00116 #if defined(XALAN_NO_STD_NAMESPACE)
    00117     typedef vector<XalanSourceTreeElement*>         ElementStackType;
    00118     typedef vector<XalanNode*>                      LastChildStackType;
    00119 #else
    00120     typedef std::vector<XalanSourceTreeElement*>    ElementStackType;
    00121     typedef std::vector<XalanNode*>                 LastChildStackType;
    00122 #endif
    00123
    00124     enum { eDefaultStackSize = 50, eDefaultTextBufferSize = 100 };
    00125
    00126
    00127     // Constructor
    00128     explicit
    00129     XalanSourceTreeContentHandler(
    00130             XalanSourceTreeDocument*    theDocument = 0,
    00131             bool                        fAccumulateText = true);
    00132
    00133     virtual
    00134     ~XalanSourceTreeContentHandler();
    00135
    00136
    00137     // Inherited from ContentHandler...
    00138     virtual void
    00139     characters(
    00140             const XMLCh* const  chars,
    00141             const unsigned int  length);
    00142
    00143     virtual void
    00144     endDocument();
    00145
    00146     virtual void
    00147     endElement(
    00148             const XMLCh* const  uri,
    00149             const XMLCh* const  localname,
    00150             const XMLCh* const  qname);
    00151
    00152     virtual void
    00153     ignorableWhitespace(
    00154             const XMLCh* const  chars,
    00155             const unsigned int  length);
    00156
    00157     virtual void
    00158     processingInstruction(
    00159         const XMLCh* const  target,
    00160         const XMLCh* const  data);
    00161
    00162     virtual void
    00163     setDocumentLocator(const LocatorType* const     locator);
    00164
    00165     virtual void
    00166     startDocument();
    00167
    00168     virtual void
    00169     startElement(
    00170             const XMLCh* const      uri,
    00171             const XMLCh* const      localname,
    00172             const XMLCh* const      qname,
    00173             const AttributesType&   attrs);
    00174
    00175     virtual void
    00176     startPrefixMapping(
    00177         const XMLCh* const  prefix,
    00178         const XMLCh* const  uri);
    00179
    00180     virtual void
    00181     endPrefixMapping(const XMLCh* const     prefix);
    00182
    00183
    00184     virtual void
    00185     skippedEntity(const XMLCh* const    name);
    00186
    00187
    00188     // Inherited from DTDHandler...
    00189
    00190     virtual void
    00191     notationDecl(
    00192             const XMLCh* const    name,
    00193             const XMLCh* const    publicId,
    00194             const XMLCh* const    systemId);
    00195
    00196     virtual void
    00197     unparsedEntityDecl(
    00198             const XMLCh* const    name,
    00199             const XMLCh* const    publicId,
    00200             const XMLCh* const    systemId,
    00201             const XMLCh* const    notationName);
    00202
    00203     virtual void
    00204     resetDocType();
    00205
    00206
    00207     // Inherited from LexicalHandler...
    00208
    00209     virtual void
    00210     comment(
    00211             const XMLCh* const  chars,
    00212             const unsigned int  length);
    00213
    00214     virtual void
    00215     endCDATA();
    00216
    00217     virtual void
    00218     endDTD();
    00219
    00220     virtual void
    00221     endEntity(const XMLCh* const    name);
    00222
    00223     virtual void
    00224     startCDATA();
    00225
    00226     virtual void
    00227     startDTD(
    00228             const XMLCh* const  name,
    00229             const XMLCh* const  publicId,
    00230             const XMLCh* const  systemId);
    00231
    00232     virtual void
    00233     startEntity(const XMLCh* const  name);
    00234
    00235
    00236     // New to XalanSourceTreeContentHandler...
    00237
    00238     XalanSourceTreeDocument*
    00239     getDocument() const
    00240     {
    00241         return m_document;
    00242     }
    00243
    00244     void
    00245     setDocument(XalanSourceTreeDocument*    theDocument);
    00246
    00247 private:
    00248
    00249     // Not implemented...
    00250     XalanSourceTreeContentHandler(const XalanSourceTreeContentHandler&);
    00251
    00252     XalanSourceTreeContentHandler&
    00253     operator=(const XalanSourceTreeContentHandler&);
    00254
    00255     bool
    00256     operator==(const XalanSourceTreeContentHandler&) const;
    00257
    00258     // Helper functions...
    00259     XalanSourceTreeElement*
    00260     createElement(
    00261             const XMLCh* const          uri,
    00262             const XMLCh* const          localname,
    00263             const XMLCh* const          qname,
    00264             const AttributesType&       attrs,
    00265             XalanSourceTreeElement*     theOwnerElement);
    00266
    00267     void
    00268     processAccumulatedText();
    00269
    00270     void
    00271     doCharacters(
    00272             const XMLCh*                chars,
    00273             XalanDOMString::size_type   length);
    00274
    00275     // Data members...
    00276
    00277     // The current document we're building...
    00278     XalanSourceTreeDocument*    m_document;
    00279
    00280     // The current element...
    00281     XalanSourceTreeElement*     m_currentElement;
    00282
    00283     // Stack of elements...
    00284     ElementStackType            m_elementStack;
    00285
    00286     // The last child appended to the current element.  This is
    00287     // an important optimization, because XalanSourceTreeElement
    00288     // does not have a pointer to its last child.  Without this,
    00289     // appending a child becomes a linear search.
    00290     XalanNode*                  m_lastChild;
    00291
    00292     // Stack of last children appended.  There is a ono-to-one
    00293     // correspondance to the entries in m_elementStack.
    00294     LastChildStackType          m_lastChildStack;
    00295
    00296     // If true, the handler will accumulate text from calls to
    00297     // characters() until another event triggers the creation
    00298     // of the node.
    00299     const bool                  m_accumulateText;
    00300
    00301     // A buffer to hold accumulated text.
    00302     XalanDOMString              m_textBuffer;
    00303
    00304     // A flag to determine if the DTD is being processed.
    00305     bool                        m_inDTD;
    00306 };
    00307
    00308
    00309
    00310 XALAN_CPP_NAMESPACE_END
    00311
    00312
    00313
    00314 #endif  // #if !defined(XALANSOURCETREECONTENTHANDLER_HEADER_GUARD_1357924680)

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Xalan-C++ XSLT Processor Version 1.7 Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.